Cisco AnyConnect Client DNS issues

Since I started using the Cisco AnyConnect VPN Client, I had DNS issues. I could not fully figure out why this happens on my system, but all signs lead to an issue with scoped DNS queries on macOS. Whenever the VPN is established, macOS uses the wrong order to resolve

HE & DigitalOcean - Blocked IPv6 ports

I recently created several Virtual Machines on my new Hetzner server as part of my migration efforts from DigitalOcean to my self-hosted ESXi hypervisor. I don’t migrate my VMs and services away from DigitalOcean because I am not satisfied with their service, quite the contrary in fact. I am

HE IPv6 tunnel with Ubnt EdgeMax Lite router

IPv6 gets more and more important. I think 2016 will be the year when it get’s adopted on a large scale and finally will start to be mandatory with every new Internet connection — at least in Dual Stack configuration.My web and DNS servers are available via IPv6 for

EDNS UDP packet size

A couple of weeks ago I set up a local BIND in a CentOS 6.5 VM to have an internal DNS server for my VMs to use. After creating several local zone files and successful initial tests, everything worked fine. Some domains had high query times, and SSH logins

Connection lost

Four weeks ago my Ubiquiti EdgeMax EdgeRouter Lite decided it was a good idea to not start PHP anymore. Some people would say ‘Good choice and good riddance’ — on a router appliance a web interface comes in handy once in a while though. A Ubnt community member was able to